mirror of
https://github.com/maunium/stickerpicker.git
synced 2024-11-10 05:37:22 +01:00
Make scrolling less hacky
This commit is contained in:
Tulir Asokan
parent
9a06d63ee9
commit
d698f058b5
@ -1,48 +1,58 @@
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* {
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font-family: sans-serif; }
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html {
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scrollbar-width: none; }
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html::-webkit-scrollbar {
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display: none; }
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body {
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margin: 0; }
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h1 {
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font-size: 1rem; }
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main.spinner, main.error, main.empty {
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main.spinner {
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margin-top: 5rem; }
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main.error, main.empty {
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margin: 2rem; }
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main.empty {
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text-align: center; }
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nav {
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display: flex;
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overflow-x: auto;
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scrollbar-width: none;
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main.has-content {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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height: 12vw;
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background-color: white;
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z-index: 10; }
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nav::-webkit-scrollbar {
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display: none; }
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nav div.sticker {
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bottom: 0;
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display: grid;
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grid-template-rows: calc(12vw + 2px) auto; }
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nav {
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display: flex;
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overflow-x: auto;
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height: calc(12vw + 2px);
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background-color: white; }
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nav > a {
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border-bottom: 2px solid transparent; }
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nav > a.visible {
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border-bottom-color: green; }
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nav > a > div.sticker {
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width: 12vw;
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height: 12vw; }
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div.pack-list, nav {
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scrollbar-width: none; }
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div.pack-list::-webkit-scrollbar, nav::-webkit-scrollbar {
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display: none; }
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div.pack-list {
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overflow-y: auto; }
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section.stickerpack {
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padding-top: 12vw;
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margin-top: -12vw; }
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margin-top: .75rem; }
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section.stickerpack > div.sticker-list {
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display: flex;
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flex-wrap: wrap; }
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section.stickerpack > h1 {
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margin: .75rem; }
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margin: 0 0 0 .75rem; }
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div.sticker {
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display: flex;
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75
web/index.js
75
web/index.js
@ -23,23 +23,10 @@ class App extends Component {
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loading: true,
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error: null,
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}
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this.observer = null
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this.imageObserver = null
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this.packListRef = null
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}
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observeIntersection = intersections => {
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for (const entry of intersections) {
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const img = entry.target.children.item(0)
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if (entry.isIntersecting) {
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img.setAttribute("src", img.getAttribute("data-src"))
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img.classList.add("visible")
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} else {
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img.removeAttribute("src")
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img.classList.remove("visible")
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}
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}
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}
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componentDidMount() {
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fetch(`${PACKS_BASE_URL}/index.json`).then(async indexRes => {
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if (indexRes.status >= 400) {
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@ -61,20 +48,50 @@ class App extends Component {
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})
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}
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}, error => this.setState({ loading: false, error }))
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this.observer = new IntersectionObserver(this.observeIntersection, {
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this.imageObserver = new IntersectionObserver(this.observeImageIntersection, {
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rootMargin: "100px",
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threshold: 0,
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})
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this.sectionObserver = new IntersectionObserver(this.observeSectionIntersection, {})
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}
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observeImageIntersection = intersections => {
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for (const entry of intersections) {
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const img = entry.target.children.item(0)
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if (entry.isIntersecting) {
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img.setAttribute("src", img.getAttribute("data-src"))
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img.classList.add("visible")
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} else {
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img.removeAttribute("src")
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img.classList.remove("visible")
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}
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}
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}
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observeSectionIntersection = intersections => {
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for (const entry of intersections) {
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const packID = entry.target.getAttribute("data-pack-id")
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const navElement = document.getElementById(`nav-${packID}`)
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if (entry.isIntersecting) {
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navElement.classList.add("visible")
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} else {
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navElement.classList.remove("visible")
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}
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}
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}
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componentDidUpdate() {
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for (const elem of this.packListRef.getElementsByClassName("sticker")) {
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this.observer.observe(elem)
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this.imageObserver.observe(elem)
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}
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for (const elem of this.packListRef.children) {
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this.sectionObserver.observe(elem)
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}
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}
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componentWillUnmount() {
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this.observer.disconnect()
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this.imageObserver.disconnect()
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this.sectionObserver.disconnect()
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}
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render() {
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@ -86,9 +103,9 @@ class App extends Component {
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<p>${this.state.error}</p>
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</main>`
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} else if (this.state.packs.length === 0) {
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return html`<main class="empty"><h1>No packs found :(</h1></main>`
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return html`<main class="empty"><h1>No packs found 😿</h1></main>`
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}
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return html`<main>
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return html`<main class="has-content">
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<nav>
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${this.state.packs.map(pack => html`<${NavBarItem} id=${pack.id} pack=${pack}/>`)}
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</nav>
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@ -99,24 +116,30 @@ class App extends Component {
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}
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}
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const NavBarItem = ({ pack }) => html`<a href="#pack-${pack.id}" title=${pack.title}>
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const NavBarItem = ({ pack }) => html`
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<a href="#pack-${pack.id}" id="nav-${pack.id}" data-pack-id=${pack.id} title=${pack.title}>
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<div class="sticker">
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<img src=${makeThumbnailURL(pack.stickers[0].url)}
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alt=${pack.stickers[0].body} class="visible" />
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</div>
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</a>`
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</a>
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`
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const Pack = ({ pack }) => html`<section class="stickerpack" id=${`pack-${pack.id}`}>
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const Pack = ({ pack }) => html`
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<section class="stickerpack" id="pack-${pack.id}" data-pack-id=${pack.id}>
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<h1>${pack.title}</h1>
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<div class="sticker-list">
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${pack.stickers.map(sticker => html`
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<${Sticker} key=${sticker["net.maunium.telegram.sticker"].id} content=${sticker}/>
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`)}
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</div>
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</section>`
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</section>
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`
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const Sticker = ({ content }) => html`<div class="sticker" onClick=${() => sendSticker(content)}>
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const Sticker = ({ content }) => html`
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<div class="sticker" onClick=${() => sendSticker(content)}>
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<img data-src=${makeThumbnailURL(content.url)} alt=${content.body} />
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</div>`
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</div>
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`
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render(html`<${App} />`, document.body)
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@ -7,67 +7,80 @@
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*
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font-family: sans-serif
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html
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scrollbar-width: none
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&::-webkit-scrollbar
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display: none
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body
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margin: 0
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h1
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font-size: 1rem
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$sticker-size: 25vw
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$nav-sticker-size: 12vw
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$nav-bottom-highlight: 2px
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$nav-height: calc(#{$nav-sticker-size} + #{$nav-bottom-highlight})
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$nav-height-inverse: calc(-#{$nav-sticker-size} - #{$nav-bottom-highlight})
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main
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&.spinner, &.error, &.empty
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&.spinner
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margin-top: 5rem
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&.error, &.empty
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margin: 2rem
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&.empty
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text-align: center
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&.has-content
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position: fixed
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top: 0
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left: 0
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right: 0
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bottom: 0
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display: grid
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grid-template-rows: $nav-height auto
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nav
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display: flex
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overflow-x: auto
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height: $nav-height
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background-color: white
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> a
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border-bottom: $nav-bottom-highlight solid transparent
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&.visible
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border-bottom-color: green
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> div.sticker
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width: $nav-sticker-size
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height: $nav-sticker-size
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div.pack-list, nav
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scrollbar-width: none
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&::-webkit-scrollbar
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display: none
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position: fixed
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top: 0
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left: 0
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right: 0
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height: 12vw
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background-color: white
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z-index: 10
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div.sticker
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width: 12vw
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height: 12vw
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div.pack-list
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overflow-y: auto
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section.stickerpack
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// This is a slightly hacky hack so that we can simultaneously have:
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// * Anchor URLs scroll so the header is visible
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// * The scroll area is the whole document
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padding-top: 12vw
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margin-top: -12vw
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margin-top: .75rem
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> div.sticker-list
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display: flex
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flex-wrap: wrap
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> h1
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margin: .75rem
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margin: 0 0 0 .75rem
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div.sticker
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display: flex
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padding: 4px
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cursor: pointer
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position: relative
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width: 25vw
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height: 25vw
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width: $sticker-size
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height: $sticker-size
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box-sizing: border-box
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&:hover
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